Earth Structure

Front

What is the outer layer of the Earth called?

Back

Crust

Front

What layer of the Earth is made of liquid metal?

Back

Outer Core

Front

What are the two layers of Earth's core?

Back

Liquid outer core and solid inner core.

Front

What is the thinnest layer of the Earth?

Back

Crust

Front

What is the main composition of the Earth's core?

Back

Iron and nickel.

Front

What is the layer of solid rock that includes dry land and ocean floor?

Back

Crust.

Front

What is the layer beneath the crust called?

Back

Mantle.

Front

What is the temperature of the inner core?

Back

Extremely hot, reaching up to 9,932°F (5,500°C).

Front

What is the main characteristic of the mantle?

Back

It is made of hot, solid rock.

Front

How many layers does the Earth have?

Back

Three main layers: crust, mantle, and core.